1. Sarrera
The Einhell AQUINNA 18/28 Power X-Change garden pump is a cordless, battery-powered device designed for pumping water in various garden applications. It is part of the Einhell Power X-Change system, allowing for flexible use of compatible batteries and chargers (sold separately). This manual provides essential information for the safe and efficient operation, setup, and maintenance of your garden pump.
Please read these instructions carefully before using the pump for the first time and keep them for future reference.

Figure 1: The Einhell AQUINNA 18/28 Power X-Change garden pump, showcasinbere diseinu trinkoa eta helduleku integratua ditu.
2. Segurtasun-argibideak
Always observe the following safety precautions to prevent injury and damage to the pump.
Segurtasun Orokorra
- Irakurri argibide guztiak erabili aurretik.
- Ziurtatu ponpa gainazal egonkor eta berdinean jarrita dagoela.
- Do not operate the pump without water, as this can cause damage.
- Mantendu haurrak eta baimenik gabeko pertsonak funtzionamendu-eremutik urrun.
- Wear appropriate personal protective equipment (PPE) if necessary.
Electrical Safety (Battery)
- Only use original Einhell Power X-Change batteries and chargers.
- Ez jarri bateriak uraren, beroaren edo eguzki-argiaren eraginpean.
- Store batteries in a dry place at room temperature.
- Remove the battery from the pump before any cleaning, maintenance, or storage.

Figure 2: Illustration indicating that the battery and charger are not included with the pump and must be purchased separately.
3. Osagaiak baino gehiagoview
Familiarize yourself with the main components of your Einhell AQUINNA 18/28 garden pump:
- Eramateko heldulekua: Garraio errazerako.
- Bateriaren konpartimendua: For inserting the Power X-Change battery.
- Piztu/Desaktibatu/Modu etengailua: To control pump operation and select power modes.
- Water Filling Screw: For filling the pump housing with water before operation.
- Suction Connection (Inlet): Threaded connection for the suction hose.
- Pressure Connection (Outlet): Threaded connection for the discharge hose.
- Water Drain Screw: For emptying the pump, especially for frost protection.
- Muntatzeko zuloak: For securing the pump in a fixed location.

3. irudia: hurbileko planoa view of the robust metal threaded connections for suction and pressure hoses on the pump.
4. Konfigurazioa
4.1 Bateriaren instalazioa
- Ireki bateriaren konpartimenduaren estalkia.
- Insert a charged Einhell Power X-Change 18V battery into the compartment until it clicks into place.
- Itxi bateriaren konpartimenduaren estalkia ondo.

Figure 4: Demonstrating the correct method for inserting a Power X-Change battery into the pump's battery compartment.
4.2 Mahuka konektatzea
- Xurgatzeko mahuka: Connect a suitable suction hose (minimum 1 inch diameter recommended) to the suction connection (inlet) of the pump. Ensure all connections are airtight to prevent air intake, which can reduce pump performance. The maximum suction depth is 6 meters.
- Deskargako mahuka: Connect a discharge hose to the pressure connection (outlet) of the pump. Secure all connections with appropriate clamps behar izanez gero.
4.3 Ponpa inprimatzea
Before initial operation, the pump housing must be filled with water to ensure proper function and prevent damage.
- Remove the battery from the pump.
- Unscrew the water filling screw located on the top of the pump.
- Carefully fill the pump housing with clean water until it overflows.
- Replace and tighten the water filling screw securely.

Figure 5: Close-up of the red water filling screw, used to prime the pump with water before operation.
5. Funtzionamendu-argibideak
5.1 Ponpa martxan jartzea
- Ensure the pump is primed and all hoses are securely connected.
- Sartu kargatutako bateria bat.
- Move the On/Off/Mode switch to the desired operating mode.

Figure 6: Detail of the On/Off/Mode switch, allowing selection between ECO and BOOST modes.
5.2 Potentzia moduak
- ECO modua: Provides maximum battery life with reduced pump pressure. Ideal for lighter watering tasks or when extended run time is required.
- BOOST modua: Delivers maximum pump power and pressure (up to 2.5 bar, 25m head). Suitable for demanding applications or when higher flow rates are needed.
5.3 Ponpa gelditzea
To stop the pump, move the On/Off/Mode switch to the "OFF" position. For extended breaks or when finished, remove the battery.

Figure 7: The Einhell AQUINNA 18/28 pump in use, demonstrating its application for garden irrigation from a water source.
6. Mantentzea
Mantentze-lan erregularrak zure ponparen iraupena eta errendimendu optimoa bermatzen ditu.
6.1 Garbiketa
- After each use, clean the exterior of the pump with a damp oihal.
- Periodically check the suction filter (if installed) for debris and clean as necessary.
- Ensure no foreign objects enter the pump's inlet or outlet.
6.2 Izozteen babesa
To prevent damage from freezing temperatures, completely drain the pump before storing it for winter or in cold conditions.
- Kendu bateria.
- Deskonektatu hodi guztiak.
- Unscrew the water drain screw located at the bottom of the pump.
- Allow all water to drain completely. Tilt the pump if necessary.
- Replace and tighten the water drain screw.

Figure 8: Close-up of the water drain screw, essential for emptying the pump to prevent frost damage during cold weather.
6.3 Biltegiratzea
Store the pump in a dry, frost-free location, out of reach of children. Ensure the battery is removed before storage.
7. Arazoak
This section addresses common issues you might encounter with your garden pump.
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Ponpa ez da martxan jartzen. | Battery not inserted or discharged. | Sartu kargatutako bateria bat. |
| On/Off switch in "OFF" position. | Move switch to "ECO" or "BOOST". | |
| Ponpa martxan dago, baina ez da urik hornitzen. | Pump not primed (air in housing). | Prime the pump by filling with water (Section 4.3). |
| Suction hose not airtight or too long. | Check all suction connections for leaks. Shorten hose if excessively long. | |
| Suction height too great (over 6m). | Reduce suction height or move pump closer to water source. | |
| Reduced pump performance. | Xurgapen-iragazkia hondatuta. | Garbitu xurgatze-iragazkia. |
| Bateria karga baxua. | Kargatu edo ordeztu bateria. | |
| Ponpa ustekabean gelditu da. | Gainkargaren babesa aktibatuta dago. | Allow pump to cool down. Check for blockages in hoses or pump. |
8. Zehaztapen Teknikoak
| Ezaugarri | Zehaztapena |
|---|---|
| Eredua | AQUINA 18/28 |
| Zati zenbakia | 4180440 |
| liburukiatage | 18 V (Power X-Change) |
| Gehienez Jario tasa | 2800 litro orduko |
| Max. Pump Height (Head) | 25 metro (2.5 bar) |
| Xurgapen-sakonera maximoa | 6 metro |
| Produktuaren neurriak (L x W x H) | 17.52" x 6.1" x 8.27" |
| Elementuaren pisua | 2.55 kg (5.61 lb) |
| Materiala | Metal (connections) |
| Dakarten osagaiak | Battery Garden Pump, Key for Water Fill and Drain Screw |
| Bateria eta kargagailua | Not included (Power X-Change system) |
9. Bermea eta Laguntza
Bermearen informazioa
Einhell products are manufactured to high-quality standards and undergo strict quality controls. The warranty period for this product is typically 2 years from the date of purchase, as per EU regulations for spare part availability. Please retain your proof of purchase for any warranty claims.
The warranty does not cover damage caused by improper use, normal wear and tear, or failure to follow the instructions in this manual.
Bezeroarentzako Arreta
For technical assistance, spare parts, or warranty inquiries, please contact your local Einhell service center or visit the official Einhell website. Contact details can usually be found in the packaging or on the Einhell corporate webgunea.





